Table 5-12
System board descriptions and part numbers
Description
Spare part number
System board (includes integrated processor)
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows operating system
AMD Ryzen 7 5850U processor
M47405-xx1
AMD Ryzen 7 5800U processor
M47403-xx1
AMD Ryzen 5 5650U processor
M47404-xx1
AMD Ryzen 5 5600U processor
M47402-xx1
AMD Ryzen 3 5400U processor
M47401-xx1
Before removing the system board, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly on page 32
2.
Remove the bottom cover (see
).
3.
Remove the battery (see
4.
Remove the fan (see
).
When you replace the system board, be sure to remove the following components (as applicable) from the
defective system board and install them on the replacement system board:
●
Memory modules (see
).
●
WLAN module (see
●
Solid-state drive (see
●
Heat sink (see
).
Remove the system board:
1.
Disconnect the following cables from the system board:
●
Antenna cables from the WLAN module (select products only) (1)
●
Power connector cable (2)
●
Speaker cable (3)
●
Display cable (4)
●
USB cable (ZIF) from USB board (5)
●
USB cable (ZIF) from system board (6)
●
Touchpad cable (ZIF) (7)
●
Keyboard backlight cable (ZIF) (select products only) (8)
●
Keyboard cable (ZIF) (9)
Component replacement procedures
45
Summary of Contents for HP ProBook 445 G8
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